1. VMAP
  2. Data
  3. Data Dictionary
  4. Genetics
  5. APOE Genotype
  6. Count of ApoE E4 alleles
Brain MRI: Cerebral Blood Flow (CBF) ROI -- PCASL Brain MRI: Cerebral Small Vessel Disease Markers Brain MRI: Grey Matter Volume (T1) Brain MRI: White Matter Hyperintensities (FLAIR) Diffusion Tensor Imaging
Cardiac Strain -- MRI Cardiac Structure and Function -- Echocardiogram Cardiac Structure and Function -- MRI
Demographics Medical History record_info
Cognitive Complaint Module Neuropsychological Assessment
Blood-based Research Biomarkers Cerebrospinal Fluid (CSF) Research Biomarkers
APOE Genotype


Variable: apoe4count

Description: Count of ApoE E4 alleles


Unit:


Derivation:

The number of ApoE E4 alleles.


Distribution:

  • Epoch 1 = baseline
  • Epoch 2 = 18-month
  • Epoch 3 = 3 years
  • Epoch 4 = 5 years
  • Epoch 5 = 7 years
  • Epoch 6 = 9 years
-2-101234050100150200250300350Epoch 1
-2-101234050100150200250300350Epoch 2
-2-101234050100150200250300350Epoch 3
-2-101234050100150200250300350Epoch 4
-2-101234050100150200250300350Epoch 5
-2-101234050100150200250300350Epoch 6
APOE Genotype